Various helicopter builders at the time in the early 50s heard about this new flying platform concept and sought out the armed forces to win these contracts. If they got it right, the military would ...

Despite a costly reintroduction of bald ibexes in Italy, poaching threatens to drive them extinct again during their ...

The Attwater's Prairie-Chicken may be the most endangered bird in North America, with very few left in the wild, but a conservation program at the Houston Zoo is working hard to ensure they don't go ...